Scalp Extension Anatomy

The Orbicularis Oculi muscle is responsible for the elevation of the eyebrows, expression of surprise, and elevation of the eyelids, resulting in a starring look.

The nerve supply of the Orbicularis Oculi muscle is from the posterior auricular branch of the facial nerve and the temporal branch of the facial nerve.

Cutting the aponeurosis in a deep wound of the scalp will lead to wound gapping, which requires sutures, due to the traction of the aponeurosis.

<p>The loose areolar connective tissue layer in the scalp is continuous with the connective tissue of the upper eyelids, and a hematoma in this layer can cause a 'black eye'.</p> Signup and view all the answers

<p>A subperiosteal hemorrhage (cephalic hematoma) in the scalp takes the shape of the underlying bone due to the confinement of the periosteum (pericranium) to each bone.</p> Signup and view all the answers